side effects glutathione injection Effects: What to Know Glutathione Injection Side Effects Explained

This reaction simultaneously depletes two critically important metabolic cofactors: SAM (the universal methyl donor for hundreds of epigenetic and biosynthetic reactions) and nicotinamide (the precursor for NAD+ biosynthesis via the salvage pathway)

Nature , 432 (7016), 466472.

Of course, Darya, you're familiar with it

Perhaps a systematic in vivo study comparing the exogenous glutathione metabolism compared to endogenous (synthesized using either glutathione precursor amino acids or glutathione-based prodrugs) can provide compelling outcomes to settle this debate

The frequency of NAD+ injections depends on your health goals, baseline NAD+ levels, and how your body responds to treatment